package io;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Echo {
public static void main(String[] args) throws IOException {
	BufferedReader stdin=new BufferedReader(new InputStreamReader(System.in));
	String s;
	while((s=stdin.readLine())!=null&&s.length()!=0){
		System.out.println(s);
	}
}
}
